It's an act of retaliation.. the target person is snatched off of the street, tossed into the trunk of a car, driven around on bumpy dirt roads for a minimum of 2 hours, then released into a cornfield, and left to find their way home.
That's what it is to "cornfield" somebody.
Tim ran off with all my tools, and sold them for meth.
When I catch him, I'm going to cornfield him.
A Rural or Country Girl that will sneak out of her parent's house at night to meet any willing boy in the middle of the closest cornfield to have sex under the cover of the foilage of corn stalks.
A guy who bangs floozies in a cornfield. Someone who murders prostitutes and dumps their bodies in a cornfield. A guy who gets aroused when hes around or near cornfields. Someone who hangs out in a cornfield masturbating.